Technical Specification: Test model : normal & programmed (6 positions) Diagram length : 400 px Beat rate : -300 ~ +300 s/d (+/- 1s/d) Amplitude : 100 ~ 345 (+/- 3 ) Beat number : 18000, 19800, 21600, 25200, 28800, 36000 Beat error : 0ms ~ 4.0ms (+/- 0,1ms) Selection of beat number : manually or automatic Lift angle : 30 ~ 60 , default value: 52 Time base : +/- 0.1 s/d Voltage : Single phase, AC 90 V ~ 250 V, two wires. Unit Type: piece Package Weight: 5.5kg (12.125lb.) Package Size: 38cm x 38cm x 28cm (14.96in x 14.96in x 11.02in).